ARCA Regler GmbH/Produkte/ARCATROL Analog positioner


  • Baureihe 824
  • Temperaturbereich -40 °C bis 80 °C
  • Input signal: 0.2 - 1.0 bar or 0/4 - 20 mA
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  • Case material: Cast aluminum

The ARCATROL positioner type 824 works according to the classic principle of force comparison. The analogue positioner has a modular design and can be extended with various additional modules. This makes it easy to adapt precisely to special tasks.

The pneumatic setpoint standard signal issued by a pneumatic controller or by the built-in I/p converter module generates a force on the diaphragm that is balanced with the spring force on the feedback shaft. The resulting force difference moves the piston valve, which connects the actuator with the supply air or atmosphere, thereby controlling the movement of the valve.

With the I/p converter module, electrical 0/4…20 mA input signals are converted into pneumatic 0.2 – 1 bar standard signals to control the analogue positioner. Two adjustable inductive switches enable feedback from end positions to the control system, for example as a NAMUR signal. The feedback potentiometer generates a message containing the actual position for evaluation in the control system.

This is what distinguishes the ARCATROL positioner:

  • sturdy design
  • proven technology
  • insensitive to dirt
  • modular construction
  • long service life

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    Modular construction
    Pneumatic or electrical function
    Additional modules available
    Mounting according to Namur or integrated
    Integrated pipeless mounting
    Patented ARCAPLUG® feedback lever

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    Markus Heisig Senior Engineer International

    Dipl.-Ing. Rainer Müller Senior Engineer International Sales Manager

    Stephan Kottal Product Manager Positioners